:root{color:#0f172a;font-synthesis:none;text-rendering:optimizelegibility;background:#eef2f7;font-family:Arial,Helvetica,sans-serif}*{box-sizing:border-box}body{margin:0}.loading-screen{color:#f8fafc;background:#0f172a;place-items:center;min-height:100vh;padding:24px;display:grid}.loading-screen div{text-align:center;gap:12px;display:grid}.loading-screen strong{color:#86efac;font-size:18px}.loading-screen span{font-size:24px;font-weight:800}button,input{font:inherit}button{cursor:pointer}.auth-screen{background:#0f172a;place-items:center;min-height:100vh;padding:26px;display:grid}.auth-panel{background:#fff;border:1px solid #dbe3ef;border-radius:8px;width:min(1040px,100%);padding:28px;box-shadow:0 22px 70px #00000052}.auth-logo{object-fit:contain;border-radius:8px;width:min(420px,100%);max-height:210px;margin:0 auto 18px;display:block}.auth-title{text-align:center;max-width:720px;margin:0 auto 22px}.auth-title span{color:#166534;font-size:14px;font-weight:900;display:block}.auth-title h1{margin:8px 0;font-size:42px;line-height:1.05}.auth-title p{color:#475569;margin:0;font-size:18px;line-height:1.5}.auth-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;display:grid}.auth-card{background:#f8fafc;border:1px solid #dbe3ef;border-radius:8px;gap:14px;padding:22px;display:grid}.auth-card h2{text-align:center;color:#0f172a;margin:0 0 4px;font-size:26px}.auth-card label{color:#334155;gap:7px;font-weight:800;display:grid}.auth-card input{color:#0f172a;background:#fff;border:2px solid #cbd5e1;border-radius:8px;width:100%;padding:13px 14px}.auth-help{align-content:start}.auth-help p{color:#475569;text-align:center;margin:0;line-height:1.5}.auth-message{text-align:center;border-radius:8px;max-width:760px;margin:0 auto 18px;padding:12px 16px;font-weight:800}.auth-message.error{color:#991b1b;background:#fee2e2}.auth-message.info{color:#1e3a8a;background:#dbeafe}.auth-message.success{color:#166534;background:#dcfce7}.reset-message{text-align:center;border-radius:8px;padding:10px 12px;font-weight:800;line-height:1.4}.reset-message.error{color:#991b1b;background:#fee2e2}.reset-message.info{color:#1e3a8a;background:#dbeafe}.reset-message.success{color:#166534;background:#dcfce7}.app-shell{grid-template-columns:280px minmax(0,1fr);min-height:100vh;display:grid}.sidebar{color:#f8fafc;background:#0f172a;flex-direction:column;gap:24px;padding:24px;display:flex}.brand span{color:#86efac;letter-spacing:0;font-size:13px;font-weight:800;display:block}.brand strong{margin-top:8px;font-size:24px;line-height:1.1;display:block}.sidebar nav{gap:10px;display:grid}.sidebar nav button{color:#e2e8f0;text-align:left;background:0 0;border:1px solid #f8fafc2e;border-radius:8px;width:100%;padding:13px 14px;font-weight:800}.sidebar nav button.active,.sidebar nav button:hover{color:#0f172a;background:#f8fafc}.student-chip{overflow-wrap:anywhere;border-top:1px solid #f8fafc33;margin-top:auto;padding-top:18px}.student-chip small{color:#bbf7d0;margin-bottom:4px;display:block}.content{padding:28px;overflow:hidden}.hero-panel{background:#fff;border:1px solid #dbe3ef;border-radius:8px;grid-template-columns:minmax(0,.9fr) minmax(320px,1.1fr);align-items:center;gap:24px;padding:24px;display:grid}.hero-panel h1{letter-spacing:0;margin:6px 0 12px;font-size:clamp(34px,5vw,64px);line-height:1}.hero-panel p{color:#334155;font-size:18px;line-height:1.6}.hero-panel img{border:1px solid #cbd5e1;border-radius:8px;width:100%;display:block}.eyebrow{color:#166534;text-transform:uppercase;margin:0;font-size:14px;font-weight:900}.hero-actions,.lesson-footer{flex-wrap:wrap;gap:12px;margin-top:22px;display:flex}.primary,.secondary{border-radius:8px;padding:13px 18px;font-weight:900}.primary{color:#fff;background:#166534;border:0}.secondary{color:#1e3a8a;background:#fff;border:2px solid #1e3a8a}.link-button{color:#1e3a8a;text-align:center;background:0 0;border:0;padding:4px 0;font-weight:900;text-decoration:underline}.status-grid,.program-grid,.panel-columns{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:18px;display:grid}.status-grid article,.program-card,.panel-columns article,.learning-block,.locked-view,.search-view{background:#fff;border:1px solid #dbe3ef;border-radius:8px;padding:20px}.status-grid span{color:#64748b;font-weight:800;display:block}.status-grid strong{margin-top:8px;font-size:28px;display:block}.section-heading{margin:30px 0 14px}.section-heading.compact{margin-top:22px}.section-heading h1,.section-heading h2,.section-heading p{margin:0}.section-heading h1,.section-heading h2{font-size:30px}.section-heading p{color:#475569;margin-top:8px;line-height:1.5}.lesson-list{gap:12px;display:grid}.lesson-card{text-align:left;background:#fff;border:1px solid #dbe3ef;border-left:6px solid #166534;border-radius:8px;grid-template-columns:68px minmax(0,1fr) 110px;align-items:center;gap:16px;width:100%;min-height:104px;padding:16px;display:grid}.lesson-card.is-locked{opacity:.82;border-left-color:#94a3b8}.lesson-number{color:#14532d;background:#dcfce7;border-radius:8px;place-items:center;width:54px;height:54px;font-size:22px;font-weight:900;display:grid}.lesson-copy strong,.lesson-copy small{display:block}.lesson-copy strong{font-size:19px}.lesson-copy small{color:#475569;margin-top:7px;line-height:1.45}.lesson-state{color:#334155;justify-self:end;font-weight:900}.lesson-view{max-width:1180px}.lesson-view header{color:#f8fafc;background:#0f172a;border-radius:8px;padding:28px}.lesson-view header span{color:#86efac;font-weight:900}.lesson-view header h1{margin:10px 0;font-size:42px;line-height:1.08}.lesson-view header p{color:#dbeafe;margin:0;font-size:19px;line-height:1.6}.learning-block{margin-top:18px}.learning-block h2,.program-card h3,.panel-columns h2{margin-top:0}.learning-block li{margin:10px 0;line-height:1.5}.assignment{background:#fff7ed;border-left:5px solid #f97316;border-radius:8px;gap:6px;padding:12px 16px;display:grid}.program-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.program-card p{color:#334155;line-height:1.55}.program-button{border:2px solid var(--program);width:100%;min-height:76px;color:var(--program);text-align:left;background:#fff;border-radius:8px;justify-content:space-between;align-items:center;gap:12px;margin-top:14px;padding:13px;display:flex}.program-button.is-open{background:var(--program);color:#fff}.program-button span,.program-button small{display:block}.program-button small{opacity:.88;margin-top:4px}.program-button em{white-space:nowrap;font-style:normal;font-weight:900}.locked-view{text-align:center;max-width:760px;margin:8vh auto}.locked-view span{color:#991b1b;background:#fee2e2;border-radius:8px;place-items:center;width:68px;height:68px;font-size:28px;font-weight:900;display:inline-grid}.locked-view h1{font-size:36px}.locked-view p{color:#475569;line-height:1.6}.search-input{border:2px solid #cbd5e1;border-radius:8px;width:100%;padding:16px;font-size:18px}.search-results{gap:10px;margin-top:14px;display:grid}.result-item{text-align:left;background:#fff;border:1px solid #dbe3ef;border-radius:8px;padding:16px}.result-item strong,.result-item span{display:block}.result-item span{color:#64748b;margin-top:5px}.panel-columns{grid-template-columns:repeat(2,minmax(0,1fr))}.toggle-row{border-top:1px solid #e2e8f0;grid-template-columns:24px minmax(0,1fr);align-items:center;gap:12px;min-height:48px;padding:10px 0;display:grid}.toggle-row input{width:18px;height:18px}.note,.empty{color:#64748b;line-height:1.5}@media (width<=920px){.app-shell{grid-template-columns:1fr}.sidebar{position:static}.hero-panel,.status-grid,.program-grid,.panel-columns,.auth-grid{grid-template-columns:1fr}.lesson-card{grid-template-columns:54px minmax(0,1fr)}.lesson-state{grid-column:2;justify-self:start}}@media (width<=560px){.content,.sidebar{padding:18px}.hero-panel h1,.lesson-view header h1{font-size:34px}.hero-actions,.lesson-footer{display:grid}.auth-panel{padding:18px}.auth-title h1{font-size:32px}}
